A(n) ____ helps to protect the internal parts from accidentally shorting out to the work.

A. nozzle insulator
B. nozzle tip
C. nozzle
D. electrode tip


Answer: C

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Equipment that can perform electrical power processing and control functions as well as performing as an inverter is called a power ____________________ unit.

Fill in the blank(s) with the appropriate word(s).

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In ____________________ classes, students place four gilts or boars with the assistance of performance data or EPDs.

Fill in the blank(s) with the appropriate word(s).

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____ convert radio frequency electrical currents into electromagnetic waves and vice versa.

A. Receivers B. Transmitters C. Antennas D. Inverters

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Technician A says the air and vacuum valves used on a tandem diaphragm must control vacuum and atmospheric pressure on two diaphragms at the same time. Technician B says when the brakes on a tandem diaphragm system are released, there is a vacuum on both sides of each diaphragm. Who is correct?

A. A only B. B only C. Both A and B D. Neither A nor B

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